Synchrotron-based radioscopy employing spatio-temporal micro-resolution for studying fast phenomena in liquid metal foams.
J Synchrotron Radiat
; 16(Pt 3): 432-4, 2009 May.
Article
en En
| MEDLINE
| ID: mdl-19395811
ABSTRACT
Investigations of pore coalescence and individual cell wall collapse in an expanding liquid metal foam by means of X-ray radioscopy with spatio-temporal micro-resolution are reported. By using white synchrotron radiation for imaging, the rupture of a film and the subsequent merger of two neighbouring bubbles could be recorded with a time sampling rate of 40000 frames s(-1) (25 micros exposure time) and a spatial sampling rate of 20 microm. The rupture time of a cell wall was found to be in the range of 300 micros. This value is in agreement with theoretical considerations which assume an inertia-dominated rupture time of cell walls in liquid metal foams.
Texto completo:
1
Banco de datos:
MEDLINE
Asunto principal:
Ensayo de Materiales
/
Sincrotrones
/
Gases
/
Metales
Idioma:
En
Año:
2009
Tipo del documento:
Article